Secrets

'Sonic-Zilla'.

Go straight to the boss level

Select the SFX (Sound Effects) option in the options menu and play the following sounds in order: 0, 2, 1, 5, 6, 6. The screen will shake to confirm you have entered the code correctly; press 1 + 2+ Start button when you are playing the game to activate the code.

Play faster music

Select the SFX (Sound Effects) option in the options menu and play the following sounds in order: 0, 4, 2, 5, 5, 7. The screen should shake to confirm that you entered the code in properly; now press 1 + 2 + Start button when you are playing the game to activate the code.

Zero Gravity

Select the SFX option that can be found in the options menu and play the following sounds in order: 0, 9, 0, 1, 6, 8. The screen will shake to confirm that you have entered the code correctly; press 1 + 2+ Start button when you are playing the game to activate the code.